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The combined gravitational force of the Moon and the Sun causes the tides in Earth's oceans. There are 2 high tides and 2 low tides about every 24 hours.
Twice a month, when the Earth, Sun, and Moon line up, their gravitational power combines to make exceptionally high tides, called spring tides, as well as very low tides where the water has been displaced. When the Sun is at a right angle to the Moon, moderate tides, called neap tides, result.
Tidal phenomena | Earth Space Lab – interactive 3D animations 🌍. Shows high tide. Shows low tide. The influence of the Sun and the slope of the Moon's orbit towards ecliptic are neglected. Highlighted deformation is illustrative. Distances and dimensions are not in scale.
The combined influence of the moon’s gravity and the Earth’s rotation leads to the regular pattern of tides. The sun also plays a role in tides, with its gravitational pull contributing to higher spring tides and lower neap tides during specific moon phases.
5 Αυγ 2021 · Rising and ebbing tides happen as Earth’s landmasses rotate through the tidal bulges created by the Moon’s gravitational pull. Our observer sees the tides rise when passing through the bulges, and fall when passing through the low points.
So the diagram on the left shows how the water on the earth gets pulled into a bulge one way by the moon's gravity and into a bulge on the opposite side by the rotational force of the earth.
15 Φεβ 2021 · Spring Tides and Neap Tides. During full moon or new moon phases, the gravitational forces of the Sun and Moon are maximized, producing very large ranges of tidal highs and lows called spring tides (Figure 11.5). During a full moon, the Earth and the Sun and Moon are approximately aligned, producing very large ranges of tidal highs and lows ...
